Brown-throated three-toed sloth (Bradypus variegatus) newborn (less than 1 week old) clinging to mother, Aviarios Sloth Sanctuary, Costa Rica. Twig in background digitally removed.

Brown-throated three-toed sloths are also known as Bradypus variegatus. Mothers in this sloth subspecies raise their young solo for up to 12 months, according to The Sloth Conservation Foundation.

Researchers have shed light on the activity patterns and behavioral adaptations of two sympatric sloth species, Bradypus variegatus and Choloepus hoffmanni. This groundbreaking study, conducted in ...

Journalist Ana Salceda searches for pygmy three-toed sloths (Bradypus pygmaeus) ... “A Sloth Named Velcro” premieres Wednesday, November 5, 2014 at 8:00 p.m. ET/PT on PBS.

The pygmy three-toed sloth (Bradypus pygmaeus) is one of the world’s most endangered mammals, according to a detailed survey of the population, which found less than 100 sloths hanging on in ...

Ever since French naturalist Georges-Louis Leclerc, Comte de Buffon, first described the sloth in 1749, the planet’s slowest moving mammal has had its work cut out for it.

Sloths really deserved better. They could have been called deliberates or contemplatives. How sloths conceive of themselves remains a secret—three-toed sloths ( Bradypus variegatus) seem to ...

Three-toed sloths (Bradypus variegatus) have special "adhesions" that anchor their guts to their lower ribs, ... "To a sloth, an energy savings of 7 to 13 percent is a big deal," Cliffe said.

According to National Geographic, he had seen the brown-throated sloth, Bradypus variegatus, from his car window. He pulled over and started filming, not realizing what was about to happen.

Sloths and guppies appear to have little in common – one is an arboreal mammal living in the slow lane, while the other is a tiny tropical fish with a frantic existence. Yet both could hold the ...

To find the mom sloth, ... "We are happy to announce that we were able to reunite this mother and baby 3-fingered sloths (Bradypus variegatus)," the center captioned the heartwarming post.